Home / 107,997.20-161,995.80-95,531.30

Finding the Fourth Proportional to 107,997.20, 161,995.80 and 95,531.30

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Solution

The fourth proportional to 107,997.20, 161,995.80 and 95,531.30 is: 143,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,997.20 : 161,995.80 = 95,531.30 : x
  2. Step 2: Convert to fraction form
    107,997.20/161,995.80 = 95,531.30/x
  3. Step 3: Cross multiply
    107,997.20x = 161,995.80 × 95,531.30
  4. Step 4: Simplify right side
    107,997.20x = 15,475,669,368.54
  5. Step 5: Solve for x
    x = 15,475,669,368.54/107,997.20
  6. Step 6: Final answer
    x = 143,296.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.